Heat Sink Assembly - HP mt20 Maintenance And Service Manual

Heat sink assembly

All heat sink assembly spare part kits include replacement thermal material.
Description
Heat sink assembly (UMA)
Before removing the heat sink assembly, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and
then unplugging the AC adapter from the computer.
4. Remove the following components:
a. Service door (see
b. WLAN module (see
c. Keyboard (see
d. Top cover (see
e. USB/audio board (see
f. Battery (see
g. Fan (see
h. System board (see
Remove the heat sink assembly:
1. Position the system board upside-down.
2. In the order indicated on the heat sink, loosen the 4 captive Phillips screws (1)–(4) that secure the heat
sink to the system board.
58 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
Service door on page
WLAN/Bluetooth combo card on page
Keyboard on page 32)
Top cover on page 39)
USB/audio board on page
Battery on page 50)
Fan on page 52)
System board on page
26).
29)
49)
54)
Spare part number
910980-001